token.app › Compare › Claude Opus 4.5 (batch) vs DeepSeek V4.1 Flash 1017

Claude Opus 4.5 (batch) vs DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is 19× cheaper per token on a blended 3:1 basis. DeepSeek V4.1 Flash 1017 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.5 (batch)DeepSeek V4.1 Flash 1017
ProviderAnthropicDeepSeek
Input $/1M$2.50$0.150
Output $/1M$12.50$0.600
Blended $/1M$5.00$0.262
Context window200K1.0M
Max output64K393K
ReleasedNov 2025Oct 2026
LicenceProprietaryOpen weights
Choose Claude Opus 4.5 (batch) if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4.1 Flash 1017 if…
  • Costs less per token — $0.262 vs $5.00 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, Claude Opus 4.5 (batch) or DeepSeek V4.1 Flash 1017?
We do not hold independently-run benchmark scores covering both Claude Opus 4.5 (batch) and DeepSeek V4.1 Flash 1017, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.5 (batch) cheaper than DeepSeek V4.1 Flash 1017?
DeepSeek V4.1 Flash 1017 is cheaper: $0.262 versus $5.00 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $0.150. Output alone: $12.50 vs $0.600.
What context windows do Claude Opus 4.5 (batch) and DeepSeek V4.1 Flash 1017 have?
Claude Opus 4.5 (batch): 200,000 tokens. DeepSeek V4.1 Flash 1017: 1,048,576 tokens.
Who makes Claude Opus 4.5 (batch) and DeepSeek V4.1 Flash 1017?
Claude Opus 4.5 (batch) is made by Anthropic. DeepSeek V4.1 Flash 1017 is made by DeepSeek.
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